Home / 9,150.84-13,724.10-4,217.40

Finding the Fourth Proportional to 9,150.84, 13,724.10 and 4,217.40

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Solution

The fourth proportional to 9,150.84, 13,724.10 and 4,217.40 is: 6,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.84 : 13,724.10 = 4,217.40 : x
  2. Step 2: Convert to fraction form
    9,150.84/13,724.10 = 4,217.40/x
  3. Step 3: Cross multiply
    9,150.84x = 13,724.10 × 4,217.40
  4. Step 4: Simplify right side
    9,150.84x = 57,880,019.34
  5. Step 5: Solve for x
    x = 57,880,019.34/9,150.84
  6. Step 6: Final answer
    x = 6,325.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.